chore(dock): sync upstream dock resize updates

[iamazy]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 89.13043% with 15 lines in your changes missing coverage. Please review.
✅ Project coverage is 54.72%. Comparing base (161e688) to head (d7be423).

Files with missing lines	Patch %	Lines
crates/gpui_dock/src/resizable/panel.rs	13.33%	13 Missing ⚠️
crates/gpui_dock/src/resizable/mod.rs	96.29%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #42      +/-   ##
==========================================
+ Coverage   54.53%   54.72%   +0.19%     
==========================================
  Files         159      159              
  Lines       54170    54299     +129     
==========================================
+ Hits        29542    29716     +174     
+ Misses      24628    24583      -45     

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